Precision Steel Shaft
This precision steel shaft features a hard chrome plated surface, delivering excellent corrosion resistance, superior mechanical strength, and a high-gloss finish. It is widely used in hydraulic systems, automation equipment, and mechanical motion components.
Features
- Material: High-quality carbon steel (e.g., CK45, 20MnV6, ST52)
- Surface Treatment: Hard chrome plating
- Chrome Layer Thickness: 20–30μm, uniform and dense
- Surface Hardness: ≥HRC 60 for excellent wear resistance
- Surface Roughness: Below Ra 0.2μm (mirror finish)
- Straightness Tolerance: 0.15/1000mm
- Length Range: Available from 1 meter to 8 meters
- Diameter Tolerance: f7, f8 (customizable)
Order & Shipping Terms
- Minimum Order Quantity: 1 Ton
- Price: Negotiable
- Delivery Time: ~30 Days
- Payment Terms: L/C or T/T
- Supply Ability: 30 Tons per day
- Packaging: Anti-rust oil, paper wrapping, plastic caps on both ends
Applications
- Hydraulic cylinder piston rods
- Automation and drive systems
- Linear motion components
- Precision machine tools
- Industrial robots and conveyors
Detailed Description
1.CHEMICAL COMPOSITION
| Material | C% | Mn% | Si% | S% | P% | V% | Cr% |
| Ck45 | 0.42-0.50 | 0.50-0.80 | 0.04 | 0.035 | 0.035 | ||
| ST52 | 0.22 | 1.6 | 0.55 | 0.035 | 0.04 | ||
| 20MnV6 | 0.16-0.22 | 1.30-1.70 | 0.10-0.50 | 0.035 | 0.035 | 0.10-0.20 | |
| 42CrMo4 | 0.38-0.45 | 0.60-0.90 | 0.15-0.40 | 0.03 | 0.03 | 0.90-1.20 | |
| 40Cr | 0.37-0.45 | 0.50-0.80 | 0.17-0.37 | 0.80-1.10 |
2.MECHANCIAL PROPERTIES
| Material | T.S N/MM2 | Y.S N/MM2 | E%(MIN) | CHARPY | CONDITION |
| CK45 | 610 | 355 | 15 | >41J | NORMALIZE |
| CK45 | 800 | 630 | 20 | >41J | Q + T |
| ST52 | 500 | 355 | 22 | NORMALIZE | |
| 20MnV6 | 750 | 590 | 12 | >40J | NORMALIZE |
| 42CrMo4 | 980 | 850 | 14 | >47J | Q + T |
| 40Cr | 1000 | 800 | 10 | Q + T |
Customization Options
We offer flexible customization for material, length, tolerance grade, and surface finish to meet specific application requirements—available for both small and large volume orders.
Get In Touch
Contact Info
- Changzhou City, Jiangnan Province, China
- info@chromerods.com
- +86-18261507005
